Normalisation is a way of stucturing the data in a database.
Normalistaion is used for data modelling.
Normalisation is a process which makes sure that the rules of the relational database model are correctly applied.
Normalising is a process carried out on the entities of a database in order to make the database work more efficiently, in particular, normalising will help setting up a relational database.
First Normal form (1NF).
To achieve 1NF, we must remove repeating groups or data (data that contains the same data).
The Process;
Identify all the data items
Identify any repeating groups
Identify the key(s)
Remove any repeating groups into separate entities
Normalising is a process carried out on the entities of a database in order to make the database work more efficiently, in particular, normalising will help setting up a relational database.
The Process;
Identify all the data items
Identify any repeating groups
Identify the key(s)
Remove any repeating groups into separate entities
Identify keys, add foreign key(S) to represent the relationships.